| Proware Sweden AB | Blekinge |
| Proxio Systems AB | |
| PTS | Stockholm |
| PU sensor | |
| PublicInsight | |
| PulPac AB | |
| PunktB International AB | |
| PUS AB | |
| Push to Kindle | |
| PushAppy | |
| PwC Sverige | |
| PyCon Sweden | Stockholm |
| QA.tech | |
| Qalora Capital | Stockholm |
| Qamcom | |
| QBank | Stockholm |
| QBIM | |
| QD Sverige AB | Stockholm |
| qep Solutions AB | |
| Qiwio | |
| Qlerify | |
| QlikTech International AB | |
| Qliro AB | |
| Qlocx AB | |
| Qlucore AB | |
| Qmatic | Västra Götaland |
| Qnister AB | |
| Qoitech AB | |
| Qred AB | |
| QRTECH AB | Västra Götaland |
| Qualifier.ai | |
| Qualisys AB | |
| Quandify AB | |
| Quartr AB | |
| Qudak AB | |
| Queenslab | |
| QuiaPEG Pharmaceuticals Holding AB | |
| Quickbit eu AB | |
| Quickbutik AB | |
| Quickchannel AB | |
| QuickNet AB | Västmanland |
| Quicksearch | |
| QuidBit AB | |
| Quinyx | Stockholm |
| Quixel | |
| Quizrr | |
| Quizrr | |
| QureTech Bio AB | |
| Quritis | |
| Qvalia | |